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This presentation builds on Recorded Webcast # 49911 Explaining the EXPLAIN, which did just that (if you have not viewed, please do so before watching this webcast).

I would like your help for the next issue.It is a real problem,but i will presente you like an example.
I have a view which is composed as below
viewa =
sel * from
inner join
sel * from table_a
inner join table_b